Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8381 and 8389 the smallest integer that is 70308209 that is divisible by both numbers.
Least Common Multiple (LCM) of 8381 and 8389 is 70308209.
LCM(8381,8389) = 70308209
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 8381 and 8389. First we will calculate the prime factors of 8381 and 8389.
Prime Factorization of 8381
17 | 8381 |
17 | 493 |
29 | 29 |
1 |
Prime factors of 8381 are 17,29. Prime factorization of 8381 in exponential form is:
8381 = 172×291
Prime Factorization of 8389
8389 | 8389 |
1 |
Prime factors of 8389 are 8389. Prime factorization of 8389 in exponential form is:
8389 = 83891
Now multiplying the highest exponent prime factors to calculate the LCM of 8381 and 8389.
LCM(8381,8389) = 172×291×83891
LCM(8381,8389) = 70308209
Factors of 8381
List of positive integer factors of 8381 that divides 8381 without a remainder.
1, 17, 29, 289, 493, 8381
Factors of 8389
List of positive integer factors of 8389 that divides 8389 without a remainder.
1, 8389
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8381 and 8389, than apply into the LCM equation.
GCF(8381,8389) = 1
LCM(8381,8389) = ( 8381 × 8389) / 1
LCM(8381,8389) = 70308209 / 1
LCM(8381,8389) = 70308209
(i) The LCM of 8389 and 8381 is associative
LCM of 8381 and 8389 = LCM of 8389 and 8381
1. What is the LCM of 8381 and 8389?
Answer: LCM of 8381 and 8389 is 70308209.
2. What are the Factors of 8381?
Answer: Factors of 8381 are 1, 17, 29, 289, 493, 8381. There are 6 integers that are factors of 8381. The greatest factor of 8381 is 8381.
3. What are the Factors of 8389?
Answer: Factors of 8389 are 1, 8389. There are 2 integers that are factors of 8389. The greatest factor of 8389 is 8389.
4. How to Find the LCM of 8381 and 8389?
Answer:
Least Common Multiple of 8381 and 8389 = 70308209
Step 1: Find the prime factorization of 8381
8381 = 17 x 17 x 29
Step 2: Find the prime factorization of 8389
8389 = 8389
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 70308209 = 17 x 17 x 29 x 8389
Step 4: Therefore, the least common multiple of 8381 and 8389 is 70308209.